Universal Aluminum Racing Series Slip-Ons are the ultimate 4” external disc-based exhaust performance upgrade for your bike, quad or any number of unique applications! The Brushed Aluminum canister, steel core and high tech packing deliver a sweet ride every time. They utilize our patented Tunable Disc Technology.

Utilizing the tunable discs coupled with a Closed End Cap serve as an Integrated U.S. Forest Service approved spark arrestor for endless hours of safe riding. A completely rebuildable core and packing to simplify your maintenance while saving you time and money.

Aluminum Racing Series Slip-Ons with a Brushed Aluminum Finish are available in a 12” length with a 1.50”(38.1mm), 1.75”(44.5mm), 2.00”(50.8mm) or 2.50”(63.5mm) inlet diameter (ID). All models include tri-brackets to weld on.

Select models include eight or twelve, 4” discs.

Aluminum Racing Series Slip-Ons with a Polished Aluminum Finish are available in a length with a 1.50”(38.1mm), 2.00”(50.8mm) or 2.50”(63.5mm) inlet diameter (ID). All models include tri-brackets to weld on.

Select models include eight or twelve, 4” discs.

Add 4” race discs to increase horsepower, exhaust tone and flow.

Subtract 4” race discs to reduce sound and increase low-end torque.